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Finding the Fourth Proportional to 70,624.28, 97,462.08 and 38,793.89

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Solution

The fourth proportional to 70,624.28, 97,462.08 and 38,793.89 is: 53,535.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,624.28 : 97,462.08 = 38,793.89 : x
  2. Step 2: Convert to fraction form
    70,624.28/97,462.08 = 38,793.89/x
  3. Step 3: Cross multiply
    70,624.28x = 97,462.08 × 38,793.89
  4. Step 4: Simplify right side
    70,624.28x = 3,780,932,723.38
  5. Step 5: Solve for x
    x = 3,780,932,723.38/70,624.28
  6. Step 6: Final answer
    x = 53,535.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.